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Shell - Write variable contents to a file
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Use the echo command:
var="text to append";
destdir=/some/directory/path/filename
if [ -f "$destdir" ]
then
echo "$var" > "$destdir"
fi
The if tests that $destdir represents a file.
The > appends the text after truncating ...
How to disable back swipe gesture in UINavigationController on iOS 7
... Or, you can implement UIGestureRecognizerDelegate protocol with your more complex logic and set it as recognizer.delegate property.
– ArtFeel
Nov 25 '13 at 12:25
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What's the shortest code to cause a stack overflow? [closed]
To commemorate the public launch of Stack Overflow, what's the shortest code to cause a stack overflow? Any language welcome.
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How do I execute a program from Python? os.system fails due to spaces in path
...They're used more on unix where the general method for a shell to launch a command is to fork() and then exec() in the child.
– Brian
Oct 15 '08 at 11:14
1
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How to convert linq results to HashSet or HashedSet
...shSet<T>(
this IEnumerable<T> source,
IEqualityComparer<T> comparer = null)
{
return new HashSet<T>(source, comparer);
}
}
Note that you really do want an extension method (or at least a generic method of some form) here, because you may not ...
sizeof single struct member in C
...ember) works. Am not on my dev machine now, but does this work for all the compilers? Thanks for that Joey.
– Gangadhar
Aug 24 '10 at 5:03
5
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Performance difference between IIf() and If
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65
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Vim clear last search highlighting
...n off highlighting until the next search:
:noh
Or turn off highlighting completely:
set nohlsearch
Or, to toggle it:
set hlsearch!
nnoremap <F3> :set hlsearch!<CR>
share
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impro...
SQL Data Reader - handling Null column values
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227
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How do I get the color from a hexadecimal color code using .NET?
...n any help on how to get alpha value as I need to convert this value to be compatible with css rgba for web design.
– Siddharth Pandey
Apr 17 '14 at 8:14
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